diff --git a/apps/shared/Makefile b/apps/shared/Makefile
index 34ad1cc5b..06d43bb88 100644
--- a/apps/shared/Makefile
+++ b/apps/shared/Makefile
@@ -1,5 +1,6 @@
 app_objs += $(addprefix apps/shared/,\
   banner_view.o\
+  button_with_separator.o\
   cursor_view.o\
   curve_view.o\
   curve_view_cursor.o\
diff --git a/apps/shared/button_with_separator.cpp b/apps/shared/button_with_separator.cpp
new file mode 100644
index 000000000..c26682f41
--- /dev/null
+++ b/apps/shared/button_with_separator.cpp
@@ -0,0 +1,27 @@
+#include "button_with_separator.h"
+
+ButtonWithSeparator::ButtonWithSeparator(Responder * parentResponder, const char * textBody, Invocation invocation) :
+  Button(parentResponder, textBody, invocation, KDText::FontSize::Large, KDColorBlack)
+{
+}
+
+void ButtonWithSeparator::drawRect(KDContext * ctx, KDRect rect) const {
+  KDCoordinate width = bounds().width();
+  KDCoordinate height = bounds().height();
+
+  ctx->fillRect(KDRect(0, 0, width, k_margin), Palette::WallScreen);
+  // Draw rectangle around cell
+  ctx->fillRect(KDRect(0, k_margin, width, k_lineThickness), Palette::GreyBright);
+  ctx->fillRect(KDRect(0, k_margin+k_lineThickness, k_lineThickness, height-k_margin), Palette::GreyBright);
+  ctx->fillRect(KDRect(width-k_lineThickness, k_lineThickness+k_margin, k_lineThickness, height-k_margin), Palette::GreyBright);
+  ctx->fillRect(KDRect(0, height-3*k_lineThickness, width, k_lineThickness), Palette::GreyWhite);
+  ctx->fillRect(KDRect(0, height-2*k_lineThickness, width, k_lineThickness), Palette::GreyBright);
+  ctx->fillRect(KDRect(k_lineThickness, height-k_lineThickness, width-2*k_lineThickness, k_lineThickness), Palette::GreyMiddle);
+}
+
+
+void ButtonWithSeparator::layoutSubviews() {
+  KDCoordinate width = bounds().width();
+  KDCoordinate height = bounds().height();
+  m_pointerTextView.setFrame(KDRect(k_lineThickness, k_margin + k_lineThickness, width-2*k_lineThickness, height - 4*k_lineThickness-k_margin));
+}
diff --git a/apps/shared/button_with_separator.h b/apps/shared/button_with_separator.h
new file mode 100644
index 000000000..8f1e07d02
--- /dev/null
+++ b/apps/shared/button_with_separator.h
@@ -0,0 +1,16 @@
+#ifndef SHARED_BUTTON_WITH_SEPARATOR_H
+#define SHARED_BUTTON_WITH_SEPARATOR_H
+
+#include <escher.h>
+
+class ButtonWithSeparator : public Button {
+public:
+  ButtonWithSeparator(Responder * parentResponder, const char * textBody, Invocation invocation);
+  void drawRect(KDContext * ctx, KDRect rect) const override;
+private:
+  constexpr static KDCoordinate k_margin = 5;
+  constexpr static KDCoordinate k_lineThickness = 1;
+  void layoutSubviews() override;
+};
+
+#endif
diff --git a/apps/shared/float_parameter_controller.cpp b/apps/shared/float_parameter_controller.cpp
index 68bcec3ac..69afc8315 100644
--- a/apps/shared/float_parameter_controller.cpp
+++ b/apps/shared/float_parameter_controller.cpp
@@ -12,10 +12,10 @@ FloatParameterController::FloatParameterController(Responder * parentResponder,
   ViewController(parentResponder),
   m_selectableTableView(SelectableTableView(this, this, Metric::CommonTopMargin, Metric::CommonRightMargin,
     Metric::CommonBottomMargin, Metric::CommonLeftMargin, this)),
-  m_okButton(Button(&m_selectableTableView, okButtonText, Invocation([](void * context, void * sender) {
+  m_okButton(ButtonWithSeparator(&m_selectableTableView, okButtonText, Invocation([](void * context, void * sender) {
     FloatParameterController * parameterController = (FloatParameterController *) context;
     parameterController->buttonAction();
-  }, this), KDText::FontSize::Large))
+  }, this)))
 {
 }
 
@@ -72,6 +72,9 @@ KDCoordinate FloatParameterController::rowHeight(int j) {
 }
 
 KDCoordinate FloatParameterController::cumulatedHeightFromIndex(int j) {
+  if (j == numberOfRows()) {
+    return j*Metric::ParameterCellHeight+k_buttonMargin;
+  }
   return Metric::ParameterCellHeight*j;
 }
 
diff --git a/apps/shared/float_parameter_controller.h b/apps/shared/float_parameter_controller.h
index 81dceaee0..e75ab6dd9 100644
--- a/apps/shared/float_parameter_controller.h
+++ b/apps/shared/float_parameter_controller.h
@@ -3,6 +3,7 @@
 
 #include <escher.h>
 #include "text_field_delegate.h"
+#include "button_with_separator.h"
 
 namespace Shared {
 
@@ -32,7 +33,7 @@ protected:
   StackViewController * stackController();
   SelectableTableView m_selectableTableView;
 private:
-  constexpr static int k_buttonMargin = 5;
+  constexpr static int k_buttonMargin = 6;
   virtual void buttonAction();
   virtual int reusableParameterCellCount(int type) = 0;
   virtual HighlightCell * reusableParameterCell(int index, int type) = 0;
@@ -40,7 +41,7 @@ private:
   virtual float previousParameterAtIndex(int index) = 0;
   virtual float parameterAtIndex(int index) = 0;
   virtual void setParameterAtIndex(int parameterIndex, float f) = 0;
-  Button m_okButton;
+  ButtonWithSeparator m_okButton;
 };
 
 }
diff --git a/escher/include/escher/button.h b/escher/include/escher/button.h
index 6352a288f..656fe5ac1 100644
--- a/escher/include/escher/button.h
+++ b/escher/include/escher/button.h
@@ -12,13 +12,14 @@ public:
   bool handleEvent(Ion::Events::Event event) override;
   void setHighlighted(bool highlight) override;
   KDSize minimalSizeForOptimalDisplay() const override;
+protected:
+  PointerTextView m_pointerTextView;
 private:
   constexpr static KDCoordinate k_verticalMargin = 5;
   constexpr static KDCoordinate k_horizontalMargin = 10;
   int numberOfSubviews() const override;
   View * subviewAtIndex(int index) override;
   void layoutSubviews() override;
-  PointerTextView m_pointerTextView;
   Invocation m_invocation;
 };